body {
	line-height: 300%;
}

/*倍低音*/
.dbUnderLine {
	border-color: red;
	border-style: double;
	border-width: 0px 0px 4px 0px;
}

/*实心*/
.solid {
	border: 1px solid black;
	background: black;
	width: 5px;
	height: 5px;
	border-radius: 50%;
}

/*空心*/
.hollow {
	border: 1px solid #000000;
	background: white;
	width: 5px;
	height: 5px;
	border-radius: 50%;
}

udb {
	border-color: gray;
	border-style: double;
	border-width: 0px 0px 4px 0px;
}

.hehe {
	font-size: 20px;
}

/***************下面一段是选中文字颜色 START**************************/
::selection {
    background:#d3d3d3; 
    color:#555;
}

::-moz-selection {
    background:#d3d3d3; 
    color:#555;
}

::-webkit-selection {
    background:#d3d3d3; 
    color:#555;
}

/***************下面一段是选中文字颜色 END**************************/